Home / 1,979.25-2,969.40-592.59

Finding the Fourth Proportional to 1,979.25, 2,969.40 and 592.59

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Solution

The fourth proportional to 1,979.25, 2,969.40 and 592.59 is: 889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.25 : 2,969.40 = 592.59 : x
  2. Step 2: Convert to fraction form
    1,979.25/2,969.40 = 592.59/x
  3. Step 3: Cross multiply
    1,979.25x = 2,969.40 × 592.59
  4. Step 4: Simplify right side
    1,979.25x = 1,759,636.75
  5. Step 5: Solve for x
    x = 1,759,636.75/1,979.25
  6. Step 6: Final answer
    x = 889.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.